Sixth-Tier Blazing Fire Return-to-Ruins Sword

Now that he had a sixth-tier ancestral vein available, he decided to first fuse the Purple Flame Heavenly Gold into the Blazing Fire Return-to-Ruins Sword.

Refining sixth-tier precious gold was exceedingly difficult. Chen Nianzhi remembered that when he had upgraded the Heavenly River Ren-Water Sword, refining the precious gold alone had taken a full forty-nine years.

Later, when he helped Jiang Linglong upgrade the Heavenly Ruins Immortal-Slaying Sword, refining the precious gold had also taken forty years.

Fortunately, he now had the aid of a sixth-tier fire vein. Moreover, Chen Nianzhi had broken through to the half-step Primordial Spirit realm, and the depth of his mana had increased greatly. It took him only nine years to fuse the Purple Flame Heavenly Gold into the Blazing Fire Return-to-Ruins Sword.

Even the process of refining the Blazing Fire and Geng Metal essences had sped up considerably. Chen Nianzhi spent seven years fusing vast quantities of Five Elements essence into the Blazing Fire Return-to-Ruins Sword, and with that, the sword's advancement was complete.

The entire sword-refining process took sixteen years. Compared with the time it had taken to upgrade the Pure Yang Immortal Sword within the Infernal Flame Sea, it was several times shorter, saving Chen Nianzhi several decades of effort.

After the Blazing Fire Return-to-Ruins Sword advanced into a Pure Yang Immortal Sword, it became a dazzling immortal sword wreathed in purple Blazing Fire.

The sword was entirely violet. It possessed not only the tyrannical might of Blazing Fire, but also the profound mysteries of Mystic Capital Purple Flame. Driven by Chen Nianzhi's Pure Yang Fire mana, it radiated a slaughterous divine might that sent all demons fleeing.

Even Fire Daoist Li looked astonished and could not help praising it. "What a tyrannical sword. Fellow Daoist's Pure Yang Fire is even more